WordPress 用.html作为url后缀时的分页链接问题

class Rewrite_Inner_Page_Links{
    var $separator;
    var $post_rule;
    var $comment_rule;
    function __construct(){
        $this->separator = '/page-';
        $this->post_rule = 'archives/([^/]+)('.$this->separator.'([0-9]+))?.html/?$';
        $this->comment_rule = 'archives/([^/]+)/comment-page-([0-9]{1,}).html(\#[^\s])?$';
        if( !is_admin() || defined( 'DOING_AJAX' ) ) :
            add_filter( 'wp_link_pages_link', array( $this, 'inner_page_link_format' ), 10, 2 ); // for inner pages
            add_filter( 'get_comments_pagenum_link', array( $this, 'comment_page_link_format' ) );
            add_filter( 'redirect_canonical', array( $this, 'cancel_redirect_for_paged_posts' ), 10, 2 );
        endif;
        if( is_admin() ) :
            add_filter( 'rewrite_rules_array', array( $this, 'pagelink_rewrite_rules' ) );
        endif;
    }
    /**
     * 修改post分页链接的格式
     * @param string $link
     * @param int $number
     * @return string
     */
    function inner_page_link_format( $link, $number ){
        if( $number > 1 ){
            if( preg_match( '%<a rel="nofollow noopener noreferrer" href=".*\.html/\d*"%', $link ) ){
                $link = preg_replace( "%(\.html)/(\d*)%", $this->separator."$2$1", $link );
            }
        }
        return $link;
    }
    /**
     * 修改评论分页链接
     * @param string $result
     * @return string
     */
    function comment_page_link_format( $result ){
        // From hello-world.html/comment-page-1#comments to hello-world/comment-page-1.html#comments
        if( strpos( $result, '.html/' ) !== false ){
            $result = preg_replace( '=([^/]+)(.html)/comment-page-([0-9]{1,})=', "$1/comment-page-$3$2" ,$result );
        }
        return $result;
    }
    /**
     * 为新的链接格式增加重定向规则,移除原始分页链接的重定向规则，防止重复收录
     *
     * 访问原始链接将返回404
     * @param array $rules
     * @return array
     */
    function pagelink_rewrite_rules( $rules ){
        foreach ($rules as $rule => $rewrite) {
            if ( $rule == '([^/]+).html(/[0-9]+)?/?$' || $rule == '([^/]+).html/comment-page-([0-9]{1,})/?$' ) {
                unset($rules[$rule]);
            }
        }
        $new_rule[ $this->post_rule ] = 'index.php?name=$matches[1]&page=$matches[3]';
        $new_rule[ $this->comment_rule ] = 'index.php?name=$matches[1]&cpage=$matches[2]';
        return $new_rule + $rules;
    }
    /**
     * 禁止WordPress将页面分页链接跳转到原来的格式
     * @param string $redirect_url
     * @param string $requested_url
     * @return bool
     */
    function cancel_redirect_for_paged_posts( $redirect_url, $requested_url ){
        global $wp_query;
        if( is_single() && $wp_query->get( 'page' ) > 1 ){
            return false;
        }
        return true;
    }
}
new Rewrite_Inner_Page_Links();

$this->post_rule = 'archives/([^/]+)('.$this->separator.'([0-9]+))?.html/?$';
$this->comment_rule = 'archives/([^/]+)/comment-page-([0-9]{1,}).html(\#[^\s])?$';

$this->post_rule = '([^/]+)('.$this->separator.'([0-9]+))?.html/?$';
$this->comment_rule = '([^/]+)/comment-page-([0-9]{1,}).html(\#[^\s])?$';